package com.sky.mapper;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

/**
 * Created by 沐风 on 2024/4/18 16:12
 */
@Mapper
public interface ShoppingCartMapper {


    /**
     * 动态查询购物车
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 更新购物车的商品数量
     * @param cart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart cart);

    /**
     * 新增购物车
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, number, setmeal_id, dish_flavor, amount, create_time) VALUES " +
            "(#{name},#{image},#{userId},#{dishId},#{number},#{setmealId},#{dishFlavor},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void cleanShoppingCartByUserId(Long userId);

    /**
     * 删除购物车中的一个商品
     * @param id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteOneItemById(Long id);

    /**
     * 批量新增购物车
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
